Angel

Angels are the souls of the faithful and virtuous beings as it was beleived in the Christian Theology. They are the warriors and servants of God thriving in Heaven. In the Devil May Cry series, a few facts were noted about angels, however, they were highlighted to a higher depiction in the fifth game; DmC.

Appearance
In religious beliefs, Angels were known to be the counterpart of Demons and has the appearance of beautiful men and women with wings and halos.

Devil May Cry 4
In the fourth game, The Order of the Sword participates a strange ritual called the "Ascension Ceremony", in this rite, the person is given "angelic" abilities but merely selling their souls to the dark side. It is a form of rebirth and it allows the person to take angelic appearances.

The Angelos are also noted by the game as angels, due to the armor resembling a warrior with wings. However, it was revealed to be a demonic soul possessing the inanimate armor.

DmC: Devil May Cry
In the fifth game developed by Ninja Theory, the new protagonist is a half-angel, half-demon hybrid. He can channel his angelic powers into his weapon which it manifest by shapeshifting the sword to a different weapon.